$590+ Cheap flights from Seattle (SEA) to Asuncion (ASU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ASU
Nov 22 — Nov 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Asuncion with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Asuncion
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to AsuncionExplore the most affordable flight options available from Seattle to Asuncion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2026.
Explore the most affordable flight options available from Seattle to Asuncion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2026.
This LATAM Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:40 pm -
2 stops25h 35m
Sat 12/58:00 am -
2 stops20h 55m
Deal found 10/20![LATAM Airlines logo]()
$1,331
This Copa Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:39 pm -
2 stops26h 18m
Sat 12/56:32 am -
2 stops20h 26m
Deal found 10/20![Copa Airlines logo]()
$1,334
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:48 pm -
3 stops29h 07m
Tue 11/247:55 am -
2 stops31h 15m
Deal found 10/20![Multiple Airlines logo]()
$1,486
This eDestinos deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:10 pm -
2 stops25h 45m
Fri 12/44:50 am -
3 stops57h 07m
Deal found 10/20![Multiple Airlines logo]()
$1,511
This Travelocity deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/149:40 pm -
2 stops27h 15m
Fri 2/127:55 am -
2 stops41h 45m
Deal found 10/19![Multiple Airlines logo]()
$1,565
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:05 am -
3 stops19h 27m
Sat 12/126:32 am -
2 stops21h 19m
Deal found 10/21![United Airlines logo]()
$1,594
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/145:05 am -
3 stops19h 27m
Fri 2/126:40 am -
2 stops20h 58m
Deal found 10/19![United Airlines logo]()
$1,812
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:45 am -
3 stops23h 40m
Sat 12/51:15 pm -
3 stops34h 07m
Deal found 10/20![Multiple Airlines logo]()
$1,940
Best flights from Seattle to AsuncionDiscover carefully curated flight deals from Seattle to Asuncion that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2026.
Discover carefully curated flight deals from Seattle to Asuncion that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2026.
This LATAM Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/510:55 pm -
2 stops26h 20m
Fri 12/114:50 am -
2 stops24h 05m
Deal found 10/21![LATAM Airlines logo]()
$1,331
This Copa Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:39 pm -
2 stops26h 18m
Sat 12/56:32 am -
2 stops20h 26m
Deal found 10/20![Copa Airlines logo]()
$1,334
This eDestinos deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:10 pm -
2 stops25h 45m
Sat 12/58:00 am -
3 stops53h 57m
Deal found 10/20![Multiple Airlines logo]()
$1,511
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:05 am -
3 stops19h 27m
Sat 12/126:32 am -
3 stops20h 26m
Deal found 10/21![United Airlines logo]()
$1,688
This LATAM Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:40 pm -
2 stops25h 35m
Sat 12/58:00 am -
2 stops20h 55m
Deal found 10/20![LATAM Airlines logo]()
$1,331
This eDestinos deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:10 pm -
2 stops25h 45m
Fri 12/44:50 am -
3 stops57h 07m
Deal found 10/20![Multiple Airlines logo]()
$1,511
This Travelocity deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/149:40 pm -
2 stops27h 15m
Fri 2/127:55 am -
2 stops41h 45m
Deal found 10/19![Multiple Airlines logo]()
$1,565
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/145:05 am -
3 stops19h 27m
Fri 2/126:40 am -
2 stops20h 58m
Deal found 10/19![United Airlines logo]()
$1,812
Last-minute flights from Seattle to AsuncionDiscover last-minute flight deals from Seattle to Asuncion. Data last updated October 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Asuncion. Data last updated October 23, 2026 and is based on user searches.
This LATAM Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:40 pm -
2 stops25h 35m
Sat 12/58:00 am -
2 stops20h 55m
Deal found 10/20![LATAM Airlines logo]()
$1,331
This eDestinos deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:10 pm -
2 stops25h 45m
Fri 12/44:50 am -
3 stops57h 07m
Deal found 10/20![Multiple Airlines logo]()
$1,511
This Copa Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:39 pm -
2 stops26h 18m
Sat 12/56:32 am -
2 stops20h 26m
Deal found 10/20![Copa Airlines logo]()
$1,334
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:45 am -
3 stops23h 40m
Sat 12/51:15 pm -
3 stops34h 07m
Deal found 10/20![Multiple Airlines logo]()
$1,940
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:48 pm -
3 stops29h 07m
Tue 11/247:55 am -
2 stops31h 15m
Deal found 10/20![Multiple Airlines logo]()
$1,486
One-way flights from Seattle to AsuncionSearch for one-way flight options from Seattle to Asuncion. Find affordable one-way fares based on user searches. Data last updated October 23, 2026.
Search for one-way flight options from Seattle to Asuncion. Find affordable one-way fares based on user searches. Data last updated October 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/308:08 pm -
2 stops29h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/299:32 pm -
3 stops36h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$740
This FlightHub deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2810:50 pm -
2 stops26h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Avianca logo]()
$763
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/267:57 pm -
3 stops53h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$827
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/289:32 pm -
3 stops33h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$841
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/279:32 pm -
3 stops51h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$893
Find flight deals from Seattle to Asuncion
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Asuncion (ASU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,331 (LATAM Airlines) |
One-way from | $590 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Asuncion that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 23, 2026.
Use the filters below to find and compare flights from Seattle to Asuncion that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleAsuncion
SEA Seattle/Tacoma Intl - ASU Asuncion Silvio Pettirossi
SEAASU
Seattle/Tacoma Intl
Tue 12/29
9:32 pm-3:13 pm
3 stops36h 41m
Asuncion Silvio Pettirossi
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$740
Quickest round-trip
SeattleAsuncion
SEA Seattle/Tacoma Intl - ASU Asuncion Silvio Pettirossi
SEAASU
Seattle/Tacoma Intl
Mon 12/28
10:50 pm-5:55 am
2 stops26h 05m
Asuncion Silvio Pettirossi
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$763
SeattleAsuncion
SEA Seattle/Tacoma Intl - ASU Asuncion Silvio Pettirossi
SEAASU
Seattle/Tacoma Intl
Sat 12/26
7:57 pm-6:15 am
3 stops53h 18m
Asuncion Silvio Pettirossi
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$827
SeattleAsuncion
SEA Seattle/Tacoma Intl - ASU Asuncion Silvio Pettirossi
SEAASU
Seattle/Tacoma Intl
Sun 12/27
9:32 pm-6:15 am
3 stops51h 43m
Asuncion Silvio Pettirossi
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$893
SeattleAsuncion
SEA Seattle/Tacoma Intl - ASU Asuncion Silvio Pettirossi
SEAASU
Seattle/Tacoma Intl
Sat 12/5
10:55 pm-6:15 am
2 stops26h 20m
Asuncion Silvio Pettirossi
Fri 12/11
4:50 am-11:55 pm
2 stops24h 05m
$1,331
SeattleAsuncion
SEA Seattle/Tacoma Intl - ASU Asuncion Silvio Pettirossi
SEAASU
Seattle/Tacoma Intl
Sat 11/14
11:40 pm-6:15 am
2 stops25h 35m
Asuncion Silvio Pettirossi
Sat 12/5
8:00 am-11:55 pm
2 stops20h 55m
$1,331
SeattleAsuncion
SEA Seattle/Tacoma Intl - ASU Asuncion Silvio Pettirossi
SEAASU
Seattle/Tacoma Intl
Sun 11/15
4:39 pm-11:57 pm
2 stops26h 18m
Asuncion Silvio Pettirossi
Sat 12/5
6:32 am-9:58 pm
2 stops20h 26m
$1,334
SeattleAsuncion
SEA Seattle/Tacoma Intl - ASU Asuncion Silvio Pettirossi
SEAASU
Seattle/Tacoma Intl
Sun 11/15
11:10 pm-5:55 am
2 stops25h 45m
Asuncion Silvio Pettirossi
Sat 12/5
8:00 am-8:57 am
3 stops53h 57m
$1,511
SeattleAsuncion
SEA Seattle/Tacoma Intl - ASU Asuncion Silvio Pettirossi
SEAASU
Seattle/Tacoma Intl
Sat 11/14
11:10 pm-5:55 am
2 stops25h 45m
Asuncion Silvio Pettirossi
Fri 12/4
4:50 am-8:57 am
3 stops57h 07m
$1,511
SeattleAsuncion
SEA Seattle/Tacoma Intl - ASU Asuncion Silvio Pettirossi
SEAASU
Seattle/Tacoma Intl
Mon 12/14
9:40 pm-5:55 am
2 stops27h 15m
Asuncion Silvio Pettirossi
Fri 2/12
7:55 am-8:40 pm
2 stops41h 45m
$1,565
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Seattle to Asuncion
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Asuncion in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Asuncion flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Asuncion flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Asuncion flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Asuncion flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Asuncion flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Asuncion
Have a flexible travel schedule? Discover the best time to fly to Asuncion from Seattle with our price prediction graph.
SEA-ASU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Seattle to Asuncion. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Asuncion flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights